@charset "utf-8";


@media (min-width:1601px) {
    html {
        font-size: 16px;
    }
}

@media (min-width:1400px) and (max-width:1600px) {
    html {
        font-size: 14px;
    }
}

@media (min-width:640px) and (max-width:1399px) {
    html {
        font-size: 13px;
    }
}

@media (min-width:481px) and (max-width:639px) {
    html {
        font-size: 13px;
    }
}

@media (min-width:329px) and (max-width:480px) {
    html {
        font-size: 13px;
    }
}


@media (min-width: 768px) {}

@media (min-width: 992px) {}

@media (min-width: 1200px) {}

@media (min-width: 1280px) {}

@media (min-width: 1440px) {}

@media (min-width: 1660px) {}

@media (min-width: 1921px) {

}

@media screen and (min-width:1200px) and (max-width:1440px) {}

@media (max-width: 1660px) {}

@media (max-width: 1600px) {}

.web {}

.wap {
    display: none;
}

@media (max-width: 1440px) {

}

@media (max-width: 1360px) {
    .map_buju {
        width: 600px;
    }
}

@media (max-width: 1280px) {

}

@media (max-width: 1200px) {
    #nav {
        margin-right: 1.5rem;
    }

    #header , .headerbox {
        display: none;
    }

    #m_header {
        display: block;
    }

    #nav_btn_box {
        display: block;
    }

    .n_title {
        display: none
    }

    #m_n_nav {
        display: block
    }

    .web {
        display: none;
    }

    .wap {
        display: block;
    }

    span.wap {
        display: inline;
    }

    .online_q {
        display: none;
    }


    #dh {
        display: none;
    }

}

@media (max-width: 1100px) {

    .foot_nav {
        display: none;
    }

}
@media (min-width: 1100px) {

    .s_history .m {
        padding-right: 0;
        margin-right: 0;
    }

}
/*==========================导航和banner变成手机模式============================*/

@media (max-width: 992px) {
  
}

@media (min-width:481px) and (max-width:992px) {}

@media (max-width: 860px) {
    .licheng_slide_wap {
        display: block;
    }
    #s_rongyu {
        display: none;
    }
}

@media (max-width: 768px) {
    .pad_top {
        padding-top: 5rem !important;
    }

    .pad_bot {
        padding-bottom: 5rem !important;
    }

  

    .m {
        padding: 0 50px;
    }

    #banner .txt {
        padding-left: 30px;
    }
    #foot .box1 ,
    #foot .box1 .ulist {
        flex-direction: column;
    }
    #foot .box1 .ulist .saoma li div {
        display: none;
    }
}

@media (max-width: 680px) {
   
}

@media (max-width: 480px) {
    .pad_top {
        padding-top: 4rem !important;
    }

    .pad_bot {
        padding-bottom: 4rem !important;
    }

    .pad_top2 {
        padding-top: 3rem !important;
    }

    .pad_bot2 {
        padding-bottom: 3rem !important;
    }

    .m {
        padding: 0 15px;
    }

    #banner .txt h4 {
        font-size: 1.375rem;
    }

    #banner .txt h3 {
        font-size: 1.875rem;
        margin: 1rem 0 1.5rem;
    }

    #banner .txt span {
        font-size: 1.25rem;
    }
    #banner {
        margin-top: 4.5rem;
    }
    #banner .swiper {
        height: 18rem;
    }
    .s_tit h5 {
        font-size: 2.125rem;
    }
    .s_lishibox {
        padding-right: 0;
    }
    .s_lishibox::before {
        width: 100%;
        top: 9.5rem;
    }
    #s_lishi .swiper-slide h4 {
        font-size: 2.375rem;
        line-height: 3rem;
    }
    #s_lishi .swiper-slide .yearline {
        margin: 1rem 0 0.5rem;
    }
    #s_lishi .swiper-slide p {
        font-size: 1.125rem; letter-spacing: 1px; text-align: center !important; padding: 0 1rem;
        line-height: 1.5rem;
    }
    #foot .foot_lx {
        gap: 1.5rem;
    }
    #foot .box1 .ulist .foot_lx li {
        font-size: 1.125rem;
        letter-spacing: 1px;
    }
    #foot .box1 ,
    #foot .box1 .ulist {
        gap: 2rem;
    }
    .s_lishibox{ padding-top: 0rem !important;}
    .s_lishibox::before{ top: 5.5rem;}
}

@media (max-width: 320px) {}